Question: Who is the {factory} for {product or material produced} of {butter}
Paraphrase: Who is the {production line} for {item or fabric delivered} of {butter}
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P1056 wd:Q34172 . ?sbj wdt:P31 wd:Q83405 } 
Answer: Ostankinsky dairy combine